Q&A

Should we be worried about black holes?

Should we be worried about black holes?

“There is no danger of the Earth (located 26,000 light years away from the Milky Way’s black hole) being pulled in. But collisions won’t happen indefinitely because the universe is big and because it’s expanding, and so it’s very unlikely that any sort of black hole runaway effect will occur.”

Are galaxies really moving away from us or is space just expanding Will the universe expand forever or re collapse?

Until recently, cosmologists (the scientists who study the universe) assumed that the rate of the universe’s expansion was slowing because of the effects of gravity. However, current research indicates that the universe may expand to eternity.

How long does the universe have left?

22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if the Higgs field is metastable.

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Would the Earth be swallowed by a black hole?

Will Earth be swallowed by a black hole? Absolutely not. While a black hole does have an immense gravitational field, they are only “dangerous” if you get very close to them. It would get very dark of course and very cold, but the black hole’s gravity at our distance from it would not be a concern.

How long until we Cannot see galaxies?

In another 100 billion years or so, we won’t be able to reach a single galaxy beyond our Local Group at all.

Is it possible to travel into the future?

Traveling into the Future. While it’s not possible (yet) to travel to the future fast than the rate at which we’re doing it now, it is possible to speed up the passage of time. But, it only happens in small increments of time. And, it has only happened (so far) to very few people who have traveled off Earth’s surface.

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Will the Sun last forever?

Nor will it last forever in its current state. Several billion years from now, the Sun will expand, swallowing Mercury and Venus, and filling Earth’s sky. It might even expand large enough to swallow Earth itself. It’s difficult to be certain. After all, humans have only just begun deciphering the cosmos.

What is the latest revision of the far future?

This is the latest accepted revision, reviewed on 4 September 2021. This article is about the far future as postulated by science. For related lists, see List of future astronomical events, Far future in fiction, and Far future in religion.

Will the Earth last forever?

For nearly two-thirds of the time since the universe began, Earth did not even exist. Nor will it last forever in its current state. Several billion years from now, the Sun will expand, swallowing Mercury and Venus, and filling Earth’s sky.

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